using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        string r = "";

        string s = "ffd93f16876049265fbaef4da268dd0e";

        byte[] a = Encoding.ASCII.GetBytes(s);

        foreach(char c in a) {

            string first = ((c & 0xF0) >> 4).ToString("X");

            string second = (c & 0x0F).ToString("X");

            r += (first + second) + " ";

        }

        Console.WriteLine(r);

        r = "";

        foreach(char c in s) {

            byte v = Convert.ToByte(c.ToString(), 16);

            string first = ((v & 0xF0) >> 4).ToString("X");

            string second = (v & 0x0F).ToString("X");

            r += (first + second) + " ";

        }

        Console.WriteLine(r);

    }

}